EM: first shoot of component

em/component.py

@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+
+## Main object to manipulate Editorial Model
+#
+# parent of all other EM editing classes
+# @see EmClass, EmType, EmFieldGroup, EmField
+
+class EmComponent(object):
+
+    ## instaciate an EmComponent
+    # @param id_or_name <int> || <str>
+    # @raise TypeError
+    def __init(id_or_name):
+        if id_or_name is int:
+            self.id = id_or_name
+        else if id_or_name is str:
+            self.name = id_or_name
+            self.populate()
+        else:
+            raise TypeError('Bad argument: expecting <int> or <str>')
+
+    ## Lookup in the database properties of the object
+    def populate(self):
+        if self.id is None:
+            where = "name = " + db.quote(self.name)
+        else:
+            where = "id = " + self.id
+        
+        row = db.query(where)
+        if not row:
+            # could have two possible Error message for id and for name
+            raise EmComponentNotExistError("Bad id_or_name: could not find the component")
+        
+        self.name = row.name
+        self.rank = row.rank
+        self.date_update = row.date_update
+        self.date_create <datetime object>
+        self.string <MlString object> : string representation of the component
+        self.help <MlString object> : help string
+        self.icon <string> : path to the icon (should be id_global of EmFile object)
+
+    @static_method
+    def id_from_name(name):
+
+    @staticmethod
+    def create(name <string>, parent_component <EmComponent object>) 
+    def save(self)
+    def delete(self)
+    def modify_rank(self)
+    def set_string(self, lang, texte)
+    def set_strings(self)
+    def get_string(self, lang)